158 



REPORT 1879. 



9. 



Feet. 

 1 



Bore-hole, strata. 



217 

 10. Very little. 11. No. 12. No. 13. No. 14. No. 15. No. 



C. R. Collins. 

 1. Hele Paper Works. 2. About 90 ft. 3. 20 ft., 10 ft. diameter, 120 ft. 6 in. 



4. Pumps always at work, Sundays excepted, suction pipes 30 ft. below surface. 



5. 259,000 gallons. 6. Yes, a few feet in very dry weather. 7. Yes, but plenty 

 of water always available ; variation 15 to 20 feet in dry weather. 8. None ; no 

 very pure. 9. New Red sandstone. (No wells were sunk before I came here)' 

 10. Yes. 11. No. 



12. Not known. 13, 



wells were sunk before 

 No. 14. No. 15. No. 



Norman & Pring. 

 1. City Brewery, Exeter. 2. 25 ft. 3. 70 ft. ; 4 ft. diameter ; 270 ft. ; 4 in. 

 diameter. 4. Cannot tell, as the adits hold several thousand gallons. 5. About 

 4000. 6. No. 7. No ; no variation. 



8. Organic and volatile matter, including -112of oxidisable 



organic matter 



"Oxide of iron and alumina, with traces of phosphoric 



acid 



Sulphate of lime 



* i „ of magnesia 



j Nitrate of ,, 



Chloride of sodium . . ■ . 



Carbonate of soda ........ 



Soluble silica . 



Grains 

 1-15 



•15 



6-24 



•48 



•99 



4-79 



9-75 



•10 



2365 

 * Total solid matter per gallon, dried at 270° F. 



Feet 



Gravel 15 



Shellet 85 



Alternate layers of trap and red shellet . . 54 



Blue shale or clay DO 



Water, sand 3 



Blue shale or clay 15 



)> » ........ 8 



lO. No. 11. Yes. 12. No. 13. No. 14. No. 15. No. 



270 



Gillman & Co. 

 1. At Treus Weir, near Exeter. 2. About 20 ft. 3. 20 ft. well ; 240 ft. bore ; 

 7 in. 4. Pumping continually going on ; lowers about 5 ft. 5. 250,000 from high 

 level. 6. Never diminished for 10 years ; more water in the autumn and spring. 

 7. Never affected by rain. 8. Considerable quantity of carbonate of lime and 

 chloride of sodium. 9. Entirely in red rock ; the bore is not through the rock, but 

 ends in it. 10. Gravel and springs. 11. No. 13. No. 14. No. 15. No. 



J. M. Drew. 

 1. Kensham Mills, Hele. 2. About 100 feet. 3. 40 ft.; 5 ft.; 200 ft.; 7 in. 



4. Pumps always at work except Sundays; suction pipe 30 ft. under surface. 



5. 170,000 gallons. 6. Yes ; not diminished. 7. Yes, but no register of water 

 levels has been kept. 8. None ; no. 9. Bore-hole pierces the New Red sandstone. 

 10. Yes. 11. No. 12. No. 13. No. 14. No. 15. No. 



